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October 18, 2019
DUBAI, United Arab Emirates — It rises out of what were once rolling sand dunes stretching toward the horizon, a feverish construction site by tempo and temperature that has tens of thousands of workers building what looks like a new city in the desert of Dubai.
This is the site of Expo 2020, a world's fair that will be hosted by a city-state that is already home to the world's tallest building, the busiest airport for international travel, an indoor ski slope and other modern marvels.
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